People are living longer than ever. With greater longevity, a critical question becomes whether or not our memories endure across the life span. This article reviews the common forms of age-related memory change and the emerging evidence related to putative risk and protective factors for brain aging. With increasing awareness of Alzheimer disease and related dementias, patients, families, and clinicians are eager for concise and accurate information about the effects and limitations of preventative strategies related to lifestyle choices that may improve cognitive health.
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